Carbonation Reaction of Epoxidized Linseed Oil: Comparative Performance of TBABr and TBAI as Catalysts

Table 3

Comparison of the number of CC5 obtained by ¹H-NMR and its correlation with the area of the carbonyl signal from FTIR-HATR.

Sample	Area of the CC5 C=Oν signal^a	Number of CC5s per molecule from the signal at δ 5.10−4.40 ppm^b,c	Number of CC5s per molecule from the signal at δ 5.10−4.06 ppm^b
CELO1	70.3	3.4	5.1
CELO2	51.4	1.9	3.4
CELO3	41.8	1.8	3.1
CELO4	64.0	3.0	3.7
CELO5	28.3	1.1	1.6
CELO6	9.9	0.2	0.6
CELO7	6.7	0.0	0.2
CELO8	27.9	0.2	1.1

^aFrom FTIR-HATR at 1793 cm⁻¹, ^bobtained using ¹H-NMR, and ^c[40].